Usage:
   ObjectTemplate.SetDragModifier number

Argument values:

Used in object types (and how often in each type): FloatingBundle (7%)

Used in a total of 3 .con files: Physics.con, Weapons.con

Parent directory of these .con files: objects/Vehicles

Example: (from objects/Vehicles/Sea/Hatsuzuki/Physics.con)
   rem *** HatsuzukiFloater ***
   ObjectTemplate.Create FloatingBundle HatsuzukiFloater
   ObjectTemplate.SetHullHeight 10
   ObjectTemplate.SetFloatMaxLift 2
   ObjectTemplate.SetFloatMinLift 2
   ObjectTemplate.SetDragModifier 8000

Go to the ObjectTemplate properties list page, ObjectTemplate page, All Properties list, or Main scripting page.